hSrSrSrSrSSKrSSKrSSjrSSjrSSjrSS jr SS jr SS jr S r \ S :Xa\ "5 gg)zProvides various functions for calculating the Darcy friction factor based on Colebrook-White approximations. https://en.wikipedia.org/wiki/Darcy_friction_factor_formulae zRob Markoski, IME Consultants Development20190215NchS[R"US- SUS-- -5S-- n[X25$)z Model: Swamee, Jain Year: 1976 Paper: https://cedb.asce.org/CEDBsearch/record.jsp?dockey=0006693 Suitable Range: 5000 < Reyonolds < 10^8 and e/D = 0.00001 - 0.5 g?g @g(\@g?mathlog10roundreynolds roughnesssigfigfrictions E/var/www/html/env/lib/python3.13/site-packages/colebrook/colebrook.py sjFrictionr s9tzz)c/DHcM4J"JKaOOH  ""c"SU- nSSUS- S--- nSSUSU-- S--- nSUS- -U-nSUS- -SU- -nSU- U-S[R"US - 5-U--S [R"S U-5-U--n[X5$) z Model: Bellos, Nalbantis, Tsakris Year: 2018 Paper: https://www.sciencedirect.com/science/article/pii/S0029549311000173 Suitable Range: All Flow Regimes i g @g?r@g?g{Gz@g)\(?gHzG@rlogr ) r r r inv_roughnessparam_aparam_b exponent_a exponent_brs r bntFrictionrs MM14#--.G1C-$783>>?Ggk"W,Jgk"a'k2JX '4$((8d?2K+Kj*XX\`cgckcklprldA]ADN\NNH  ""rcS[R"SUS--SUS-- - SUS-- -5S--n[X25$) z Model: Fang Year: 2011 Paper: https://www.sciencedirect.com/science/article/pii/S0029549311000173 Suitable Range: Reynolds > 2300 (I.E. Turbulent and Transition Range only) g+?gʡE?gPkw?g33333CN@gS㥛?gh|?%L@gkw#?rr s r fngFrictionr!*sTf) 2300 (I.E. Turbulent and Transition Range only) Rel gV/?g5?gQ @gX9v@g7[ A?rrr s r eptFrictionr%7sia$**X*>&>%BBBtzzR[^cRcfknvx~n~f~R~GCDGDDH  ""rc S[R"U5[R"SSU-U-SS[R"U5----5- S-- n[X25$)z Model: Avci, Kargoz Year: 2009 Paper: http://dx.doi.org/10.1115/1.3129132 Suitable Range: Reynolds > 2300 (I.E. Turbulent and Transition Range only) g@rg{Gz? g333333@)rrsqrtr r s r akFrictionr)Esbdhhx(488Ax)8SWX[]`d`i`ijs`t[tWt8u4u+vvy|||H  ""rc [R"US[R"SU-[R"SSU--5- 5-- 5nS[R"SU-U- US- -5-S-n[XB5$)z Model: Brkic Year: 2011 Paper: https://doi.org/10.1080%2F10916461003620453 Suitable Range: Reynolds > 2300 (I.E. Turbulent and Transition Range only) guV?g?rr gq= ףp@gGz @)rrr r )r r rbetars r bkcFrictionr,Rsy 88H#.DHHQQTW_Q_M_D`1`(a ab cDTZZ 89t;K KLLrQH  ""rc[R"5nURSS[S9 URSS[S9 URSSSS [S 9 UR 5nUR nURnS nS S /n/nURS[X#5/5 URS[X#5/5 URS[X#5/5 URS[X#5/5 URS[X#5/5 URS[X#5/5 [S5 [UR "U65 [S5 UHn[UR "U65 M [S5 g)Nr zReynolds Number)helptype relroughnesszRelative Roughness of piper?z4OPTIONAL - Number of Significant Figures (Default=4)r$)nargsr.defaultr/z|{:<15} | {:<7}|METHODVALUErrr!r)r,r%zrEnsure values are within range of applicability for equations (specifically around transition and laminar region)!z---------------------------z@DISCLAIMER: Use secondary verification. No guarantee of accuracy)argparseArgumentParser add_argumentintfloat parse_argsr r0appendrrr!r)r,r%printformat)parserargsr r table_format fric_headersfactorsrows rmainrE_s^  $ $ &F  ):E -IPUV 2hrsz}~    D}}H!!I%Lg&LG NNL*X"ABC NNM;x#CDE NNM;x#CDE NNL*X"ABC NNM;x#CDE NNM;x#CDE ~ ,  | ,- '( l!!3'( LMr__main__)r$)__doc__ __author__ __status__ __version__rr6rrr!r%r)r,rE__name__rrrMsY-    ##" # # # #N6 zFr